Pp546-blueprint Stock Telegraphic Ticker 1868 Patent Poster is a piece of digital artwork by Cole Borders which was uploaded on March 11th, 2020.
Pp546-blueprint Stock Telegraphic Ticker 1868 Patent Poster
A vintage blueprint presents a detailed diagram for a Telegraphic Indicator patented by E. A. Callahan on March 31, 1868. The technical drawing, in... more
by Cole Borders
Title
Pp546-blueprint Stock Telegraphic Ticker 1868 Patent Poster
Artist
Cole Borders
Medium
Digital Art
Description
A vintage blueprint presents a detailed diagram for a Telegraphic Indicator patented by E. A. Callahan on March 31, 1868. The technical drawing, in white lines on a blue background, displays the internal mechanisms and features figure labels, used to aid in understanding the construction and operation of the device. At the bottom of the blueprint, the patent number is listed along with signatures for the inventor and witnesses, adding authenticity to the document.
Uploaded
March 11th, 2020
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